Twitter is reversing its ban on political watchdog Politwoops — Four months after being banned by Twitter, Politwoops is coming back. — If you're not familiar with it, Politwoops is a kind of social media watchdog. It automatically monitors the Twitter feeds of politicians and highlights whenever they delete a tweet.

WhatsApp goes down for some on New Year's Eve — WhatsApp isn't working today for some users. We first spotted the problems at 9:58 a.m. Pacific — we couldn't send messages at all, and then they started to go through, but were always delayed. The outage seems to be impacting certain regions more than others.

2018 Top 100 Global Tech Leaders — 21st century technology-sector leadership requires more than financial success. It also requires a commitment to compliance, innovation, and much more. Who are today's leaders?